104020434 has 36 divisors (see below), whose sum is σ = 262176174. Its totient is φ = 29719872.

The previous prime is 104020409. The next prime is 104020439. The reversal of 104020434 is 434020401.

It can be written as a sum of positive squares in only one way, i.e., 73051209 + 30969225 = 8547^2 + 5565^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (104020439) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58087 + ... + 59850.

Almost surely, 2^104020434 is an apocalyptic number.

104020434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

104020434 is an abundant number, since it is smaller than the sum of its proper divisors (158155740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104020434 is a wasteful number, since it uses less digits than its factorization.

104020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117959 (or 117949 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104020434 is about 10199.0408372552. The cubic root of 104020434 is about 470.2977349971.

Adding to 104020434 its reverse (434020401), we get a palindrome (538040835).

The spelling of 104020434 in words is "one hundred four million, twenty thousand, four hundred thirty-four".